From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Standardisation of a helical second gear (New Scheme 3631) to reduce gear noise.
| Identifier | ExFiles\Box 171\2\ img110 | |
| Date | 3rd February 1933 | |
| COMPLETED 14.6.33. STANDARDISATION of CHASSIS PARTS. Date 3.2.33. Drawing No. X No. 7310 Part List Description of Parts. HELICAL 2nd. GEAR N. Sch. 3631. Origin. TO REDUCE GEAR NOISE. Experimental Test Report. Before cars come on test this scheme will have run in France on 19-EX. Road Test Report. A similar scheme is now running 10,000 miles in France on 19-MX{John H Maddocks - Chief Proving Officer}, and has done considerable running in England without trouble. Weight of Old Part. Cost of Old Part. £14-10-5d. Weight of New Part. Cost of New Part. £15-18-0d. Difference per Car. £ 1-7-7d. Increase. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£......... Series.........£......... Signature from Cost Dept. that above is correct: RB.{R. Bowen}9.6.33.G.10.6.33. Wor{Arthur Wormald - General Works Manager} Series...£... INITIAL, DATE, REMARKS SG.{Arthur F. Sidgreaves - MD}, 12.6.33., Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce}, 12/3/33, Agreed GHR WOR.{Arthur Wormald - General Works Manager}, 6.2.33, Agreed Wor.{Arthur Wormald - General Works Manager} C., 6.2.33, Agreed C. RG.{Mr Rowledge}, 6.2.33, Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design}, 6.2.33, Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer}, 6.2.33, Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer}, 6.2.33, Agreed-understand more lever movement given E.{Mr Elliott - Chief Engineer}, 7.2.33, Agreed AE. EP{G. Eric Platford - Chief Quality Engineer} & Mx.{John H Maddocks - Chief Proving Officer} PN.{Mr Northey}, 6.2.33, Agreed PN.{Mr Northey} Hs.{Lord Ernest Hives - Chair}, , Agreed Hs.{Lord Ernest Hives - Chair} | ||